Why would she need her parents? She's got Brady and Melanie to provide support and Lexie to talk to about her fears (according to other spoilers). Why would she possibly need to talk to her mother and father after a terribly traumatic experience arising from a feud between two families? What would they possibly know about that?

Hey now, we don't know we don't get a one-sided phone conversation with Stephanie saying, "Yes, Papa, it was really scary. Yes, I think my life may be in danger and Philip is hanging onto life by a thread. Crazy how these feuds work, isn't it? Well, you and Mom have fun at your conference in St. Louis!"